#!/usr/bin/perl -T
#$Id: MakeTorrents.pl,v 1.3 2005/03/22 23:07:23 andrew Exp $
use strict;
use warnings;
use diagnostics;
%ENV = ();
use YAML;
my $BaseDir = '/home/ftp/pub';
my $BaseName = 'OpenBSD';
my $OutDir = '/home/andrew/torrents';
my $BTMake = '/usr/local/bin/btmake';
my $Tracker = 'http://OpenBSD.somedomain.net/announce.php';
my $MinFiles = 5;
# These are regexes that tell what files to skip;
my $SkipDirs = qr/\/patches$/;
my $SkipFiles = qr/^\./;
my $StartDir = shift || $BaseName;
$StartDir =~ s#/$##;
chdir($BaseDir) || die "Couldn't change dir to $BaseDir";
Process_Dir($StartDir);
sub Process_Dir
{
my $basedir = shift;
my ($dirs, $files) = Get_Files_and_Dirs($basedir);
if (@$files) {
Make_Torrent($basedir, $files);
}
# don't recurse if we were called on a specific directory
return 1 if $StartDir ne $BaseName;
foreach my $subdir (@$dirs) {
#next if $subdir eq '.';
#next if $subdir eq '..';
Process_Dir("$basedir/$subdir")
}
}
sub Make_Torrent
{
my $basedir = shift;
my $files = shift;
if ($#files < $MinFiles) {
print "Too few files in $basedir, skipping . . .\n";
return undef;
}
if ($basedir !~ /\.\./ && $basedir =~ /^([\w\/\.-]+)$/) {
$basedir = $1;
} else {
die "Invalid characters in dir '$basedir'";
}
foreach (@$files) {
if (/^([^\/]+)$/) {
$_ = "$basedir/$1";
} else {
die "Invalid characters in file '$_' in '$basedir'";
}
}
my $date = Torrent_Date();
my $torrent = $basedir;
$torrent =~ s/\W/_/g;
$torrent .= '-' . $date;
$torrent .= '.torrent';
#print Dump $torrent, $basedir, $files;
print "Creating $torrent\n";
my $comment = "Files from $basedir\n" .
"Created by andrew fresh (andrew\@mad-techies.org)\n" .
"http://OpenBSD.somedomain.net/",
system($BTMake,
'-C',
'-c', $comment,
'-n', $BaseName,
'-o', "$OutDir/$torrent",
'-a', $Tracker,
@$files
);# || die "Couldn't system $BTMake $torrent: $!";
}
sub Get_Files_and_Dirs
{
my $basedir = shift;
opendir DIR, $basedir or die "Couldn't opendir $basedir: $!";
my @contents = grep { ! /^\.\.$/ } grep { ! /^\.$/ } readdir DIR;
closedir DIR;
my @dirs = grep { -d "$basedir/$_" } @contents;
my %dirs; # lookup table
my @files;# answer
# build lookup table
@dirs{@dirs} = ();
foreach my $item (@contents) {
push(@files, $item) unless exists $dirs{$item};
}
@dirs = grep { ! /$SkipDirs/ } @dirs if $SkipDirs;
@files = grep { ! /$SkipFiles/ } @files if $SkipFiles;
return \@dirs, \@files;
}
sub Torrent_Date
{
my ($min, $hour, $mday, $mon, $year) = (gmtime)[1..5];
$mon++;
$year += 1900;
foreach ($min, $hour, $mday, $mon) {
if (length $_ == 1) {
$_ = '0' . $_;
}
}
return join '-', ($year, $mon, $mday, $hour . $min);
}